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Tuesday, Sep 25th

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Monsanto's global weedkiller harms honeybees, research finds

Monsanto weedkiller kills bees

The world’s most used weedkiller damages the beneficial bacteria in the guts of honeybees and makes them more prone to deadly infections, new research has found.

Previous studies have shown that pesticides such as neonicotinoids cause harm to bees, whose pollination is vital to about three-quarters of all food crops. Glyphosate, manufactured by Monsanto, targets an enzyme only found in plants and bacteria.

However, the new study shows that glyphosate damages the microbiota that honeybees need to grow and to fight off pathogens. The findings show glyphosate, the most used agricultural chemical ever, may be contributing to the global decline in bees, along with the loss of habitat.

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558-million-year-old fat molecule reveals world's earliest animal

558m year old molecule foundScientists have discovered a fat molecule preserved in a 558-million-year-old fossil.

According to a new paper published this week in the journal Science, the discovery confirms Dickinsonia, a strange blob-like sea creature, as the earliest animal in the geologic record.

Dickinsonia is a member of the Ediacaran biota, a group of primitive organisms with frond-like patterns. The group emerged during the Ediacaran period, which lasted from 635 to 542 million years ago.

Scientists have previously argued whether Ediacaran species were animals. The fat molecule -- a type of cholesterol unique to animals -- found within the Dickinsonia fossil suggests they were.

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Mummified Ice Age wolf pup, caribou still covered with fur found by gold miners

Wolf cub, caribou from Ice Age found

A mummified wolf pup and caribou believed to have walked Earth over 50,000 years ago were discovered with tissue and fur intact — a remarkable find, Canadian authorities say.

The caribou was found at the site of a 80,000-year-old volcanic ash bed and officials believe it's among the oldest mummified mammal tissue in the world, according to a release.

The head, two front limbs and torso of the caribou were intact. The wolf pup was found with a complete body.

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Delta IV Heavy rocket launches NASA's Parker Solar Probe to study the sun

Delta IV Heavy probe headed toward sun

Some scientists scoffed at University of Chicago physicist Eugene Parker’s 1958 paper proposing the existence of a solar wind — a constant stream of particles flowing out from the sun that permeates the entire solar system.

Spacecraft quickly proved him right, and 60 years later, Parker looked on early Sunday as a NASA probe bearing his name rocketed from Cape Canaveral Air Force Station on a $1.5 billion mission to “touch” the sun and solve some of its persisting mysteries.

“All I have to say is, wow, here we go,” said Parker, 91, after the launch he watched from Kennedy Space Center. “We’re in for some learning over the next several years.”

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There's a Tiny Strange Galaxy Orbiting The Milky Way And No One Knows How It Got There

Milky WayA galaxy in nearby space called Segue 1 is quite the oddity. It's very small, and very faint, it hangs out very close to the Milky Way, and no one knows quite where it came from.

But now astronomers have accurately measured its movement for the first time, which has finally offered some clues.

So what, exactly, is Segue 1? Well, in the last decade or so, our telescope technology had grown powerful enough to spot a small new class of galaxy. They are very compact, occupying the space somewhere between a globular cluster and a dwarf galaxy.

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Mysterious radio signal from space? Astronomers aren’t sure of origins

Radio signal heard from outer space

A mysterious radio signal has been spotted by a telescope in Canada, and it's one of the lowest in frequency to date.

Details of the signal were posted to The Astronomer's Telegram, a website where accredited astronomers can post observations.

An observation posted last week by Patrick Boyle from Canada's McGill University finds a radio telescope called the Canadian Hydrogen Mapping Intensity Experiment (CHIME) discovered a fast radio burst, which are short bursts of radio waves coming from beyond the Milky Way Galaxy.

The FRB was detected at frequencies as low as 580 megahertz, the lowest frequency detection to date.

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Scientists discover atoms inside the orbiting electrons of a 'giant atom'

Scientists discover atoms inside electrons of giant atom Scientists have discovered an atom filled with atoms. The atom's electrons orbit at such a great distance that there's room for other atoms.

The atoms within the "giant atom" form weak bonds, produ cing a new exotic state of matter -- what scientists have dubbed "Rydberg polarons."

The discovery combines a pair of atomic phenomenon, both of which can only be studied under extremely cold conditions: Bose-Einstein condensates and Rydberg atoms.

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